Recently, I was tinkering around with an old air conditioning circuit board which was used to control a BLDC (Brushless Direct Current) motor for the fan when I found that tracing the circuits proved to be a bit more complicated […] ↓ Read the rest of this entry…
The cheap Chinese digital multimeter that I had was quite good when it was new. But it was not able to last very long. After a while, I found that the DC voltage selections were not showing accurately, so much […] ↓ Read the rest of this entry…
My last post was about preparing the graphic photograph image of my son and converting it to g-code and then machining it on my movable bed CNC machine. That was when I found that the movable bed of my CNC […] ↓ Read the rest of this entry…
The wooden drill press that I made had some shortcomings. For one, it had to be pushed down just like any portable drill, although it had a guide to ensure that the direction was always true. Well, I found out […] ↓ Read the rest of this entry…
Chinese New Year 2016 holidays had already come and gone. I was hoping to complete the CNC machine before that, but was delayed due to other pressing matters. While waiting for the milling spindle to arrive, I tried out some […] ↓ Read the rest of this entry…
After testing the movement of the X-axis successfully, my next task was to fabricate the other axes, namely the Y and Z axes. The Y-axis was not much of a problem as it followed very much the same design as […] ↓ Read the rest of this entry…